<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
<form action="">
    用户名：<input type="text" name="username">
    <br>
    密码：<input type="password" name="username">
    <br>
    <input type="radio" name="time" value="10">10min
    <input type="radio" name="time" value="30">30min
    <input type="radio" name="time" value="60">60min
    <br>
    <input type="submit" value="login">
</form>
</body>
</html>